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发明名称
Dynamisk Højttaler.
摘要
申请公布号
DK52148(C)
申请公布日期
1936.09.14
申请号
DKD52148
申请日期
1934.12.14
申请人
DR. WALTER LISSAUER
发明人
DR. WALTER LISSAUER
分类号
主分类号
代理机构
代理人
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